#include "gtkmm2ext/actions.h"
#include "gtkmm2ext/utils.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace std;
using namespace Gtk;
gtkmm2.6, so we fall back to the C level.
*/
- if (ui_manager == 0) {
+ if (! ui_manager) {
return RefPtr<Action> ();
}